Finding the Fourth Proportional to 2,382,281.36, 3,287,749.80 and 1,309,416.08
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Solution
The fourth proportional to 2,382,281.36, 3,287,749.80 and 1,309,416.08 is: 1,807,104.96
Step by Step Solution
- Step 1: Write the proportion equation
2,382,281.36 : 3,287,749.80 = 1,309,416.08 : x - Step 2: Convert to fraction form
2,382,281.36/3,287,749.80 = 1,309,416.08/x - Step 3: Cross multiply
2,382,281.36x = 3,287,749.80 × 1,309,416.08 - Step 4: Simplify right side
2,382,281.36x = 4,305,032,455,136.78 - Step 5: Solve for x
x = 4,305,032,455,136.78/2,382,281.36 - Step 6: Final answer
x = 1,807,104.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.